Results for “Bulk changes & set operations”
Small, practical examples. Search by task or narrow things down below.
Generate every combination of two sets
Postgres: CROSS JOIN creates one result per possible pair, so the output size is the product of the input sizes.
Postgres✓ Tested
Generate every combination of two sets
SQLite: CROSS JOIN creates one result per possible pair, so the output size is the product of the input sizes.
SQLite✓ Tested
Group related controls with a fieldset and legend
Group related controls with a fieldset and legend with a standalone Angular component and explicit browser behavior.
Angular✓ Tested
Isolate variable changes in a subshell
Bash Scripts: Parentheses create a subshell whose variable assignments do not change the parent.
Bash Scripts✓ Tested
Merge object settings
Use object spread to apply JavaScript overrides to defaults.
JavaScript✓ Tested
Parse a small set of long options
Bash Scripts: Use a loop and case statement to consume a value-bearing long option.
Bash Scripts✓ Tested
Print once from setup
Arduino / C: Print once from setup on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Provide a fallback for an unset custom property
CSS: The second var argument supplies a value when the custom property is unavailable.
CSS✓ Tested
Push a new branch and set its upstream
Connect a feature branch with its remote counterpart.
push✓ Tested
Read bytes from a chosen file offset
C: Check fseek before reading so an unsupported or invalid seek is not ignored.
C✓ Tested
Read values until a condition changes
Read values until a condition changes in a complete Rust program using the standard library.
Rust✓ Tested
Reject an unsupported settings version
Arduino / C: A version byte lets firmware fall back when stored settings use another format.
Arduino / C✓ Tested